MAINT honest API with a multi view

[adam2392]

Changes proposed in this pull request:

• "inheritable" and common fitted parameters should go in the honest tree itself and the honest forest
• Each classifier that extends __init__ of original BaseDecisionTree needs to have a _inheritable_fitted_attribute property defined returning a list of fitted attribute names
• The HonestForest/Tree tries to set the relevant fitted attributes in addition to the inheritable fitted attributes

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.81%. Comparing base (928a855) to head (97dcee4).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #231      +/-   ##
==========================================
+ Coverage   89.67%   89.81%   +0.13%     
==========================================
  Files          54       54              
  Lines        4978     5026      +48     
==========================================
+ Hits         4464     4514      +50     
+ Misses        514      512       -2     

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